Dwyer DR4203 is a high flow glass flowmeter suitable for both gases and liquids. With a temperature range of up to 250°F, it offers an accuracy of ±10% FS @ 70°F and 14.7 psia. The vertical mounting and 3/8" female NPT connection make it easy to install. It features borosilicate glass flowtube, 316 SS float, and brass or 316 SS end fittings. The pressure limit is 200 psig, and the repeatability is ±0.25% of scale reading. The direct reading 127 mm scales display measurements clearly, and the 6-turn needle valve provides precise control.